Senior Software Engineer, Security Rules
As a Senior Software Engineer on the Security Rules team, you will design and maintain software systems for Cloudflare's Application Security products, leading complex projects and mentoring fellow engineers.
Build features end-to-end: architect, implement on both backend and frontend, deploy, and monitor the running service.
Take ownership of our systems. You will be responsible for keeping them healthy, debugging issues as they arise, and finding clever ways to scale them as load grows.
Partner with our ML team to operate our state-of-the-art ML infrastructure and pipelines.
Review code thoughtfully, mentor other engineers, and help set the bar for platform quality.
At least 6 years of software development experience.
Full-stack experience: you have owned architecture decisions, built both frontend and backend, handled deployment and monitoring, and iterated on features over time.
Hands-on experience with streaming or queuing systems (Kafka, Kinesis, or similar) under high load is required.
Preferred experience with Kubernetes, Terraform, Python, React, and AWS (though we care more about engineering skill than specific tools).
A product mindset: you care about the business reason behind what you build and understand how it shapes implementation tradeoffs.
Fluent English, since you will present your work at our demo days and collaborate on technical decisions in English.
Hybrid model: 2x Office, 3x Home Office
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